Colbert’s message, on the other hand, was as serious as its delivery was lighthearted. Politicians in both parties promise to bring Americans together, but Colbert actually does, through comedy. And this rally on the campus of the College of Charleston, the day before the state’s presidential primary, was an extended riff on the serious subject of money in politics.

http://www.utsandiego.com/news/2012/jan/21/tp-colberts-comic-campaign-in-sc/